Hi also get errors when using this
.mp_header {
width: 100%;
clear: both;
background-image: url('//upload.wikimedia.org/wikipedia/commons/1/10/Wikipedia-logo-v2-200px-transparent.png');
background-color: #333;
background-image: url('//upload.wikimedia.org/wikipedia/commons/1/10/Wikipedia-logo-v2-200px-transparent.png'), -moz-linear-gradient(top, #ddd, #000);
background-image: url('//upload.wikimedia.org/wikipedia/commons/1/10/Wikipedia-logo-v2-200px-transparent.png'), -ms-linear-gradient(top, #ddd, #000);
background-image: url('//upload.wikimedia.org/wikipedia/commons/1/10/Wikipedia-logo-v2-200px-transparent.png'), -o-linear-gradient(top, #ddd, #000);
background-image: url('//upload.wikimedia.org/wikipedia/commons/1/10/Wikipedia-logo-v2-200px-transparent.png'), -webkit-linear-gradient(top, #ddd, #000);
background-image: url('//upload.wikimedia.org/wikipedia/commons/1/10/Wikipedia-logo-v2-200px-transparent.png'), -webkit-gradient(linear,
left top, left bottom, from(#ddd), to(#000));
filter: progid:DXImageTransform.Microsoft.Gradient(
StartColorStr='#ddd', EndColorStr='#000', GradientType=0);
padding: 1px 10px 1px 10px;
color: #000;
border: none;
margin-bottom:0px;
}
The error is
Warning: Background image '//upload.wikimedia.org/wikipedia/commons/1/10/Wikipedia-logo-v2-200px-transparent.png' was used multiple times, first declared at line 93, col 3.
And
Warning: Using width with padding can sometimes make elements larger than you expect.
And
Info: Values of 0 shouldn't have units specified.